The main factors leading to the fracture failure of DH32 steel plate are the serious center segregation and center porosity of the slab, and the presence of abn
·Carbon
The key performance index of DH32 steel plate is the low temperature impact toughness of DH32 steel plate, which requires the impact energy at -2
DH32 steel plate is easily corroded by seawater in the marine environment, so measures need to be taken for corrosion protection. Commonly used anti-corrosion m
In the metal structure, A516Gr70 steel is very easy to produce welding stress and various deformations. Welding stress and deformation directly lead to welding
Common welding defects of A516Gr70 steel include appearance defects and internal defects. Appearance defects include undercut, depression, surface pores, cold c
QStE380TM steel is a low-alloy high-strength steel commonly used in automotive structures and cold-formed components. Its heat resistance is relatively low and
QStE380TM is a hot-rolled high-strength steel commonly used in automotive structural parts and cold-formed parts. The following is the typical process flow of Q
QStE380TM steel is a high-strength low-alloy steel whose corrosion resistance mainly depends on its chemical composition and surface treatment.From a chemical c
The thickness of NM450 steel plate is usually between 6-80mm, and the common specifications are 8mm, 10mm, 12mm, 16mm, 20mm, 25mm, etc. Different thicknesses ar
(1) Preheating measures are taken before welding to ensure that the preheating temperature of NM450 wear-resistant steel plate is ≥ 200 °C.(2) The NM450
Impact resistance. The impact resistance of the NM450 wear-resistant plate is very good. In the process of conveying materials, even if there is a very high dro
QStE380TM steel is commonly used in the automotive industry and cold forming industry. Its application fields include but are not limited to the following aspec
QStE380TM steel usually adopts controlled rolling and normalizing treatment to obtain the required mechanical properties. The following are general heat treatme
When there are too many defects in the welded joints of A283GrC seamless steel pipes, welding repairs can be used for repairing. Note that the number of times o
ASTM A283 is a carbon steel plate used for general structural purposes. The steel has low to medium tensile strength. ASTM A283 Steel Specification covers four
When the production is completed, what are the acceptance criteria for the surface of the A283 Grade C steel plate?1. The surface of A283 Grade C steel plate sh
S275JR is a common European standard I-beam material, mainly used in construction, machinery manufacturing, bridges and other industries. It has good strength,
The dimensional error of S235JR steel plate has a great impact on its processing and use. According to the national standard GB/T700 2006, the thickness error o
S275JR European standard I-beam is a non-alloy structural steel that is usually used for structural components at normal temperatures. Its chemical composition
Pretreatment of molten iron: Pretreatment of molten iron to remove impurities and gases in preparation for the subsequent smelting process of A36 steel plates.
Processability: A36 steel plate has good processability and can be processed by turning, milling, drilling, planing, grinding and other mechanical processing. I
A36 steel plate has a series of excellent properties and a wide range of uses, and is one of the most popular products in the steel market. The following are se
50Cr steel is a high-carbon chromium bearing steel, commonly used in the manufacture of mechanical parts and automotive engine parts, etc. To weld 50Cr steel, t
Cr can increase the hardenability of steel, improve the strength and tempering stability of steel, and has excellent mechanical properties. Cr steel should be u
The level of operators is an important factor affecting the quenching and tempering quality of 50Cr steel. At the same time, there are many reasons such as equi
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